baber/WOPTO huggingface dataset:
Patent KR-20030046943-A (KR)
Title: Proffering method of virtual Keyboard and operating method for the same
Inventor: YUM U CHEOL
IPC: G06F3/02
Filed: 2001-12-07
Abstract: PURPOSE: A method for supplying a virtual keyboard and a method for managing thereof are provided to input an IP address of a corresponding web server by operating a mouse or a touch screen only without using a keyboard. CONSTITUTION: It is judged whether a character input request is inputted through other unit instead of a keyboard. A cursor position on the current main screen is recognized. A sub screen having a keyboard arrangement of a predetermined pattern is overlapped on the main screen and displayed. A wanted character is selected out of the keyboard arrangement on the displayed sub screen, and a text character string is selected. The selected text character string is arranged sequentially from the cursor position on the main screen.
Patent KR-20030049130-A (KR)
Title: leak inspection device and methode of secondary battery
Inventor: KIM YEONG GYEONG
IPC: H01M2/36
Filed: 2001-12-14
Abstract: PURPOSE: Provided are an apparatus for detecting leak of a secondary battery, which detects the sealed state of a case filled with an electrolyte and substitutes He gas and a He gas detecting sensor, and a method thereof. CONSTITUTION: The apparatus contains: a case(61) in which an electrode part(63) is put; an electrolyte injecting hole(62) formed on one side of the case(61); a pressing nozzle(70) sealed to the electrolyte injecting hole(62); an N2 gas supply means(90) connected to the pressing nozzle(70) and a pipe(71); a control valve(72) controlling the pressure of N2 gas injected from the N2 gas supply means(90); an N2 gas pressure sensor(80) detecting the pressure of the N2 gas, which is mounted on one side of the pipe(71). And the method contains the steps of: welding a cap plate(64) having the electrolyte injecting hole(62) to the upper part of the case(61); sealing the pressing nozzle(70) to the electrolyte injecting hole(62); injecting the N2 gas from the N2 gas supply means(90); closing the control valve(72); comparing the set pressure value of the N2 gas pressure sensor(80) to the pressure value after a fixed time.
Patent KR-20030049565-A (KR)
Title: Method for fabricating semiconductor device
Inventor: SHIN DONG SEOK
IPC: H01L21/283
Filed: 2001-12-15
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to effectively restrain the degradation of devices and to reduce contact resistance by diffusing impurities from the second contact plug to the first contact plug. CONSTITUTION: An interlayer dielectric(40) is formed on a semiconductor substrate(10). A contact hole(50) is formed to expose a desired portion of the substrate(10). The first contact plug(60) containing lightly doped impurities is formed on the interlayer dielectric(40) including the contact hole. The second contact plug(70) containing heavily doped impurities is then formed on the first contact plug(60).
Patent KR-20030052632-A (KR)
Inventor: OH GWANG HEON
IPC: F28F9/00
Filed: 2001-12-21
Abstract: PURPOSE: A heat exchanger having an integrated receiver drier is provided to improve heat exchange efficiency by connecting a desiccant storage part to one of an inlet and an outlet of a header pipe and minimizing the superheating area. CONSTITUTION: A heat exchanger(20) having an integrated receiver drier includes first and second header pipes(21,22) oppositely installed; plural tubes(23) both ends of which are connected between the header pipes; radiating fins(24) disposed to the outer peripheral surface of the tube; an inlet(25) coupled to one of the first and second header pipes, to supply a heat exchange medium; a receiver unit connected to the second header pipe, to collect moisture of the heat exchanger medium heat-exchanged through the tubes; an outlet(26) coupled to one of the first and second header pipes; and a desiccant storage part(28) coupled to the first header pipe. The desiccant storage part is connected to one of the inlets and outlets and the desiccant storage part has a desiccant for removing humidity included in the heat exchange medium.
Patent KR-20030054304-A (KR)
Title: Method and apparatus for blind decision feedback equalization
Inventor: KIM HYEONG NAM
IPC: H04N7/015
Filed: 2001-12-24
Abstract: PURPOSE: A blind decision feedback equalizing system and method are provided to control a blind equalization mode according to the output value of an equalizer to improve convergence speed of a filter and reduce residual mean square error in the normal state after convergence. CONSTITUTION: A main filter(200) perform blind decision feedback equalization through repeated filtering of input signals. A quantizer(220) quantizes the output signal of the main filter. An error signal calculator(230) compares the output signals of the quantizer and main filter to calculate an error signal. An equalization mode decision unit(240) calculates an estimated mean square error using the error signal, and than decides an equalization mode using the estimated mean square error. A blind mode decision unit(250) decides a corresponding mode when the equalization mode is the blind mode. An error signal calculator(260) calculates an error signal for the decided equalization mode. A tap modulus updating unit updates a tap modulus applied to the main filter using the error signal and the output signal of the quantizer.
Patent KR-20010073075-A (KR)
Title: 모든 노드에 대한 인입 경로의 카운팅을 갖는 ｖｒｍｌ이벤트 전달
IPC: H04N5/765
Filed: 2000-06-23
Abstract: 하나 또는 그 이상의 저장 디바이드들과 연결된 처리기를 구비하는 데이터 처리 장치는 거기에 저장된 데이터를 조작하도록 동작할 수 있다.  데이터가 선택된 노드의 입력 및 출력 필드들 간에 명시된 관계들과 상호 접속되는 다수의 노드들(68, 70, 76)로 형성되면, 상호 접속된 노드를 통한 이벤트 캐스캐이드의 전달에 의해 노드들과 관련하여 이벤트가 처리된다.  2개 또는 그 이상의 노드들이 같은 노드의 입력 필드로 라우팅되는 의존도 문제들을 피하기 위해서, 노드로 또는 노드로부터 라우팅되는 각 노드는 상기 노드에 대한 인입 경로들의 수를 유지하는 카운트의 필드(74)에 관련 통지 구조체(72)를 갖는다.  장치는 유연한 VRML 및 유사한 환경들에 대한 가상 환경 데이터 브라우저로서의 구성에 특히 적합하며 노드들은 그 환경의 상호 접속된 데이터 자원들이다.
Patent KR-20010079937-A (KR)
IPC: C09J7/29
Filed: 1999-09-29
Abstract: 본 발명은 기재의 한쪽 이상의 면에 열팽창성 미소구를 포함하는 열팽창성층과 점착 물질을 포함하는 점착층이 마련된 열박리형 점착 시이트에 관한 것이고, 상기 기재가 내열성 및 신축성을 갖는 열박리형 점착 시이트는 피착체의 절단 가공에 의해 형성된 절단편 사이에서 충분한 간격을 형성하고 확보할 수 있고, 더구나 열팽창성층을 팽창시킬 때의 가열 처리에 견딜수 있기 때문에, 절단편의 박리 및 회수 공정에서의 조작성 및 작업성을 높일 수 있다.
Patent KR-20010085877-A (KR)
Title: Polyketide synthase enzymes and recombinant dna constructs therefor
IPC: C12N9/00
Filed: 1999-10-01
Abstract: Polyketide compounds of the formula but not including FK-506, FK-520, 18-hydroxy-FK520 and 18-hydroxy-FK-506.
Patent KR-20010104304-A (KR)
Title: 활성 제제의 배합물
Inventor: ANDERSCH WOLFRAM
IPC: A01N63/02
Filed: 1999-12-03
Abstract: 본 발명은 스피노사드, 살충제로서 작용하는 다른 하나의 화합물 및 살진균제로서 작용하는 다른 하나의 화합물을 포함한 신규한 활성 제제의 배합물에 관한 것이다.  본 발명에 따른 활성 제제의 배합물은 매우 우수한 살충제 및 살진균제 특성을 갖는다.
Patent KR-20010086070-A (KR)
Title: Promotion or Inhibition of Angiogenesis and Cardiovascularization
IPC: A61P9/10
Filed: 1999-11-30
Abstract: Compositions and methods are disclosed for stimulating or inhibiting angiogenesis and/or cardiovascularization in mammals, including humans. Pharmaceutical compositions are based on polypeptides or antagonists thereto that have been identified for one or more of these uses. Disorders that can be diagnosed, prevented, or treated by the compositions herein include trauma such as wounds, various cancers, and disorders of the vessels including atherosclerosis and cardiac hypertrophy. In addition, the present invention is directed to novel polypeptides and to nucleic acid molecules encoding those polypeptides. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention.
Patent KR-20010089829-A (KR)
IPC: H02J9/00
Filed: 2000-10-19
Abstract: 전자 장치가 스탠바이 모드 또는 저-전력 모드에서 동작하고 있을 때 전자 장치(100)에서의 전력 소비 레벨을 감소시키기 위한 장치 및 방법이 개시된다. 전력 소비의 레벨은 전자 장치로 교대로 스탠바이 전력을 셧-오프하고 스탠바이 전력을 턴-온하여 감소된다. 스탠바이 싸이클 타이머 회로(300)는 스탠바이 모드동안 전자 장치로의 스탠바이 전력의 공급을 자동적으로 제어하기 위해 제공된다. 스탠바이 싸이클 타이머 회로는 전자 장치가 정상 동작을 개시할 때 비활성(inactive)이 된다.
Patent KR-20010101564-A (KR)
IPC: B65G49/00
Filed: 2000-01-14
Abstract: 기부(base) 다시 말해, 상기 기부에 구조적 강성을 전해주기 위한 강성의 백본과 상기 기부 내에 봉인부를 정해주기 위해 상기 백본과 함께 어울리게 되어 있는 덮개를 포함하는 기부, 강성 마스트, 즉, 이 마스트에 구조적 강성을 전해주는 두께를 가지고, 상기 마스트는 회전할 수 있고, 상기 마스트의 실지적인 부위가 상기 기부 내에서 수축되는 첫번째 위치와 상기 마스트의 실지적인 부위가 상기 기부의 외부에서 상방을 향해 수직으로 확장되는 두번째 위치 사이에서 움직일 수 있는 강성 마스트, 상기 첫번째 위치와 상기 두번째 위치 사이에서 상기 마스트를 움직이기 위해 상기 기부 내에 위치하는 선형 구동부, 상기 기부를 중심으로 상기 마스트를 회전시키고자, 상기 마스트의 바닥에 위치한 첫번째 회전 구동부, 상기 마스트에 고정된 방식으로 설치되어 있으며 기부에 인접해 있는 링크, 상기 기부에 인접해 있는 링크에 회전 가능하게 연결되어 있으며 기부에서 떨어져 있는 링크, 그리고 상기 기부에 인접해 있는 링크를 중심으로 상기 기부에서 떨어져 있는 링크를 회전시키기 위하여 상기 마스트의 맨 상단에 위치한 두번째 회전 구동부로 구성되는 것을 특징으로 하는 작업물 취급 로봇이 제공되어 있다.
Patent KR-20010101729-A (KR)
Title: Method of strengthening the taste of sodium chloride, agent for strengthening the taste of sodium chloride, sodium chloride-taste seasoning and food having strengthened taste of sodium chloride
IPC: A23L27/21
Filed: 2000-11-29
Abstract: The present invention relates to a method of enhancing the salty taste of a food or beverage containing salt which comprises adding an acidic peptide or a peptide obtained by subjecting a protein to hydrolysis and deamidation to the food or beverage, a salty taste enhancer comprising the peptide as an active ingredient, a salty taste seasoning agent comprising the peptide and salt, and a food or beverage comprising the salty taste enhancer or the salty taste seasoning agent.
Patent KR-20010101753-A (KR)
IPC: H04L29/06
Filed: 1999-03-18
Abstract: 전자 정보 파일(1)을 복수의 정보 엘리먼트(elements)(2)로 분할하고, 분할된 정보 엘리먼트를 선택하여 순서를 바꿔 조합함으로써 1개 이상의 정보 블록(3)을 생성하며, 정보 엘리먼트의 분할 추출 데이터를 생성하고 정보 블록을 형성하여 보관 혹은 송부하고, 전자 정보를 사용할 때 분할 추출 데이터에 기초하여 정보 블록(3) 내의 정보 엘리먼트(4)를 재분할하고, 올바른 순서로 재배열하여 통합함으로써 원래의 전자 정보 파일(5)을 복원하도록 하여, 보관 중이나 통신 중의 전자 정보가 절취되는 경우가 있더라도 그 정보 가치를 감쇄하여 이용할 수 없도록 한 전자 정보의 안전 확보 방법.
Patent KR-20010102246-A (KR)
IPC: C09K19/40
Filed: 2000-02-04
Abstract: 광학 보상 시트는, 5 O 미만의 평균 경사각 상태로 배향되어 있는 액정성 분자로부터 형성된 광학 이방성 층 및 투명 지지체를 포함한다.  광학 보상 시트는 10 내지 1,000 nm 범위의 면내 레타데이션 값(Re) 을 가지며, 또한, 10 내지 1,000 nm 범위의 두께 방향의 레타데이션 값 (Rth)을 가진다.
Patent KR-20010105410-A (KR)
IPC: H04N5/60
Filed: 2001-02-07
Abstract: TV 및 FM 라디오 신호 둘 모두에 대한 자동 이득 제어 방법에서, TV 및 FM 라디오 신호는 증폭기 출력 신호를 얻기 위해 제어가능하게 증폭되고(AGC-AMP), 상기 증폭기 출력 신호는 튜너 출력 신호를 얻기 위해 튜너 처리되며(F, MIX, IF-AMP), 상기 튜너 출력 신호는 제어가능한 증폭기(AGC-AMP)로의 제어 신호(T-AGC)로서 인가됨으로써 그렇게 형성된 AGC 루프의 대역폭은 TV 채널에 대해 충분히 넓고, 튜너 출력 신호는 FM 라디오 채널의 대역폭에 실질적으로 대응하는 대역폭을 가진 협대역 필터링 된 신호를 얻기 위해 협대역 필터링된다(CF).
Patent KR-20030063799-A (KR)
Title: Apparatus for reordering traffic flow template and method thereof
Inventor: AHN HONG JIN
IPC: H04W80/00
Filed: 2002-01-24
Abstract: PURPOSE: A device and a method for realigning TFTs(Traffic Flow Templates) in a mobile communication system are provided to perform TFT realignment for rates of packet data flowing from an external network, so as to minimize TFT packet filtering calculations. CONSTITUTION: A controller(1000) comprises a TFT packet filtering procedure(1013) that sequentially performs TFT packet filtering of input packet data for TFTs, a statistics processor(1017) that manages statistical data for the packet data successful in the TFT packet filtering for the TFTs, a timer(1015) that counts a set cycle to generate a signal indicating arrival in the set cycle, and a realignment procedure(1011) that compares the statistical data for the packet data successful in the TFT packet filtering for the TFTs to sequentially realign the TFTs from a TFT having a larger rate of packet data successful in the TFT packet filtering. A memory(1050) stores packet filter contents for each TFT, and stores the statistical data for the packet data successful in the TFT packet filtering for each TFT.
Patent KR-20030065928-A (KR)
Title: Torque device for fixing tire in vehicle
Inventor: LEE YEONG HO
IPC: B60C25/132
Filed: 2002-02-02
Abstract: PURPOSE: A torque device for assembling a tire of a vehicle is provided to reduce assembling hours of the tire, and to keep the assembling torque constant by transmitting constant torque with combining wheel nuts with plural bolts simultaneously. CONSTITUTION: A torque apparatus(10) for assembling a tire of a vehicle is composed of a driving member(11) generating torque by using a wrench or an electric tool; a transmitting member(12) rotating with receiving rotational force of the driving member; and a driven member(13) rotating by the transmitting member, and generating torque to wheel nuts(6) to assemble plural bolts(3) with wheel nuts at the same time. Assembling hours are reduced, and convenience is improved by assembling wheel nuts with bolts simultaneously and transmitting equal torque in assembling or disassembling the tire.
Patent KR-20030068645-A (KR)
Title: Method for managing subscriber of system matching call manager and gatekeeper
Inventor: CHO JUN U
IPC: H04L12/66
Filed: 2002-02-15
Abstract: PURPOSE: A method for managing subscribers in a system in which a call manager and a gatekeeper are matched is provided to efficiently manage the subscribers by downloading subscriber telephone numbers of the call manager to the gatekeeper and automatically assigning IP(Internet Protocol) addresses used in an H.323 endpoint according to an initialization sequence. CONSTITUTION: A call manager downloads an inputted database to a gatekeeper(S13). The call manager decides the range of assignable IP addresses to be used by endpoints of the entire system and transmits the decided range of the assignable IP addresses to a DHCP(Dynamic Host Configuration Protocol) server(S14). The DHCP server assigns the IP addresses according to the initialization sequence of the endpoints(S20). After the endpoint is initialized and the IP address is assigned to the endpoint(S30), the endpoint transmits an RRQ(Registration ReQuest) and an ARQ(Administration ReQuest) to the gatekeeper by a previously assigned telephone number(S40). If the telephone number belongs in a user profile database downloaded from the call manager(S50), the gatekeeper transmits an RCF/ACF(Registration ConFirm/Administration ConFirm) signal(S61). If the telephone number does not belong in the user profile database(S50), the gatekeeper transmits an RRJ/ARJ(Registration ReJect/Administration ReJect) signal(S62).
Patent KR-20030068997-A (KR)
Title: The Chemical Composition of High Performance Concrete Flow Improver
Inventor: JUNG HOON CHAE
IPC: C08G63/00
Filed: 2002-02-19
Abstract: PURPOSE: A polyester-based highly functional concrete superplasticizer composition is provided, which is easily prepared, is cheap and has excellent water-reducing property and slump maintaining property. CONSTITUTION: The polyester-based highly functional concrete superplasticizer composition is prepared by reacting at least one polyacid having at least two carboxyl groups in a molecule with at least one diol having at least two OH groups in molecule to obtain a polyester-based polymer main chain; reacting the remaining carboxyl groups which are not participated in the polymerization with polyethylene glycol or polyethylene glycol alkyl ether having OH groups and an alcohol of C2-C20 by esterification to form a side chain; and neutralizing the unreacted carboxyl groups with a base.
Patent KR-20030071348-A (KR)
Title: Remote controlled plaything ball
Inventor: KIM YOUNG EUN
IPC: A63H29/00
Filed: 2002-02-28
Abstract: PURPOSE: A toy ball is provided to freely move in all directions by remote control, thereby to get interest in the ball and to enhance a spirit of inquiry of children. CONSTITUTION: The toy ball comprises a housing having polygonal forms of right and left balls to be inserted into outer wall of right and left bodies of the housing; a first driving part(20) having right and left couplings(26,26') at both ends of a rotational axis(25) to be mounted in a space in the housing; a second driving part(30) having a supporting bar(35) and a weight(36) equipped at front end of the supporting bar(35); and a control part built in the housing to receive remote signal of a controller and to send output to a first and a second motors(31).
Patent KR-20030077079-A (KR)
Title: Syringe, and Device for dispensing sealant using the same
Inventor: PARK MU YEOL
IPC: G02F1/1339
Filed: 2002-03-25
Abstract: PURPOSE: A syringe part and a device for doping a sealant by using the same are provided to simplify the discharge of a sealant via vertical movement path defined by vertical holes of a main body and a nozzle, thereby simplifying the doping of the sealant without any leakage of the sealant. CONSTITUTION: A syringe part includes a main body(220) and a nozzle(240) connected to a lower part of the main body. The main body is straightly formed with a vertical hole(224) for defining a movement path of a sealant. The nozzle is formed with a vertical hole(244) for defining the movement path of the sealant. The main body and the nozzle are connected to each other by screw-coupling, wherein a lower inner wall of the main body is formed in a female screw shape(222) and an upper outer wall of the nozzle is formed in a male screw shape(242).
Patent KR-20020038623-A (KR)
Inventor: PARK SEONG GYU
Filed: 2002-03-27
Abstract: PURPOSE: A horserace game system by each arcade game room using the horserace game operation information realized on a network server is provided to enable players to enjoy more realistic horserace game by making the players of all arcade bet to one race performed on the main server and sharing the synchronized result. CONSTITUTION: The system comprises an independent main game server continuously executing the horserace game according to the time flow, a database server connecting to the main game server, a horserace broadcasting server transmitting the voice explanation broadcasting by each race by connecting to the main game server, and a network connecting the main game server with respective arcade. The procedure and result data of the horserace game progressed in the main game server is transmitted to respective arcade at the same time, the distribution and betting status data formed in a horserace game machine of respective arcade is transmitted to the main game server and the horserace game betting amount of respective players is transmitted to the game terminal of each player.
Patent KR-20020077831-A (KR)
Title: METHOD FOR PRODUCING AlMn STRIPS OR SHEETS
Inventor: FINKELNBURG WOLF-DIETER
IPC: B32B15/01
Filed: 2002-04-03
Abstract: PURPOSE: Provided is a method for producing AlMn strips or sheets for producing components by soldering, thereby producing aluminum sheets having good suitability for soldering, high strength, particularly a high limit of elasticity(Rp0.2), and toughness even after soldering, as well as simultaneously good deformability and a high resistance to corrosion. CONSTITUTION: In a method for producing AlMn strips or sheets for producing components by soldering, a precursor material is produced from a melt which contains (in weight-percent) 0.3-1.2% Si, <=0.5% Fe, <=0.1% Cu, 1.0-1.8% Mn, <=0.3% Mg, 0.05-0.4% Cr+Zr, <=0.1% Zn, <=0.1% Ti, <=0.15% Sn, and unavoidable companion elements, whose individual amounts are at most 0.05% and whose sum is at most 0.15%, as well as aluminum as the remainder; the precursor material is preheated at a preheating temperature of less than 520 deg.C. over a dwell time of at most 12 hours; the preheated precursor material is hot rolled into a hot strip; the hot strip is cold rolled into a cold strip without intermediate annealing; and the cold band is finally subjected to an annealing treatment.
Patent KR-20030079522-A (KR)
Title: Guide rail for drawer type KimChi refrigerator
Inventor: KIM HWA OK
IPC: F25D11/04
Filed: 2002-04-04
Abstract: PURPOSE: A guide rail of a drawer type kimchi storage is provided to allow convenient use. CONSTITUTION: A guide rail has rail stoppers to limit operation thereof. The rail stopper has bent-up parts(222,232) on both rails, respectively, so that the bent-up parts are fixed to restrict movement of the rails. One of the bent-up parts is covered with an elastic member(223) for shock absorption and noise reduction. The elastic member is extended to a front side to form a closing preventing protrusion(224). The closing preventing protrusion prevents automatic closing of a drawer type storage after the drawer type storage is completely opened. The closing preventing protrusion allows the other bent-up part to pass when external force is given. Fixing holes are formed on the rails to fix the closing preventing protrusion. The other bent-up part passes the closing preventing protrusion due to inertia while the drawer type storage is being opened, and is stopped by the one bent-up part. Once stopped, the other bent-up part is not allowed to pass the closing preventing protrusion without external force.
Patent KR-20030019071-A (KR)
Title: Semiconductor integrated circuit with function to start and stop supply of clock signal
Inventor: KANASUGI MASAMI
IPC: G06F1/04
Filed: 2002-04-09
Abstract: PURPOSE: To provide a semiconductor integrated circuit equipped with a clock control circuit which efficiently controls the start and stop of clock supply by function blocks. CONSTITUTION: The semiconductor integrated circuit includes a plurality of function blocks which start operating when corresponding command signals are asserted and stop operating when negated, a clock generating circuit which generates a clock signal, and a clock control circuit which starts supplying a clock signal once the corresponding command signals are asserted and stops supplying the clock signal once negated.
Patent KR-20030081792-A (KR)
Title: Deyice for regulating angle of music stand
Inventor: JOO JAE OK
IPC: G10G7/00
Filed: 2002-04-13
Abstract: PURPOSE: An angle adjusting apparatus of a music stand is provided to stably and securely support the music stand and to allow a user to rapidly and easily adjust the angle of the music stand in one-touch manner. CONSTITUTION: A music stand includes a strut(10), a leg(20) for supporting the strut(10), and a music sheet supporter(30) coupled to an upper portion of the strut(10) in such a manner that an angle of the music sheet supporter(30) is adjustable. A connection ring(40) is coupled to the upper portion of the strut(10). A bracket(50) is provided at a lower portion of the music sheet supporter(30). A fixing disc is accommodated in the connection ring(40). A housing is attached to an outer portion of the bracket(50). A spring is provided in the housing so as to bias a pin towards a pin holes. A handle(110) is connected to the pin.
Patent KR-20030083517-A (KR)
Title: A level control device for air suspension of a vehicle
Inventor: KIM HYO SIK
IPC: F16F9/04
Filed: 2002-04-23
Abstract: PURPOSE: A level control device for an air suspension vehicle is provided to control the level of the vehicle automatically by controlling the distance between the vehicle body and the wheelbase with bellows according to contraction and expansion of the air spring. CONSTITUTION: A level control device of an air suspension vehicle is composed of bellows(1) arranged in series with an air spring between a vehicle body and an axle; a cam(9) turned and installed in the bellows to vary the length of the bellows according to turning; a pulley(3) turned and installed in the air spring; a detecting chain(5) fixed to the end of the air spring and fitted to the pulley; an expansion member(7) connected to the detecting chain in series and fastened to the end of the air spring fixing the detecting chain; and a turning synchronizing unit transmitting rotation of the cam and the pulley mutually.